Behavioral task
behavioral1
Sample
2024-02-25_81607f7ba6ab45d5ea76d8bb43309ba9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-25_81607f7ba6ab45d5ea76d8bb43309ba9_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-25_81607f7ba6ab45d5ea76d8bb43309ba9_cryptolocker
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Size
114KB
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MD5
81607f7ba6ab45d5ea76d8bb43309ba9
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SHA1
1579f988f61c257e13faaedc1080ae11765d11c8
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SHA256
0d739f7999ac170c8b753e67a29652cf5eec8b04f4941730bfc43a9b66c6da80
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SHA512
c5af66ef513c3b28b95000636ad64402555c2b697652a2ddd14a27e11add4fbdbd75d08a0b1b8013cfd3ad2d62b3f8e64de4a70a96cfdc7e5050cc999d31c559
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01m:z6a+CdOOtEvwDpjczo
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-25_81607f7ba6ab45d5ea76d8bb43309ba9_cryptolocker
Files
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2024-02-25_81607f7ba6ab45d5ea76d8bb43309ba9_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE